[INFO] fetching crate bytes_chain 1.1.8... [INFO] checking bytes_chain-1.1.8 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205 [INFO] extracting crate bytes_chain 1.1.8 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate bytes_chain 1.1.8 [INFO] finished tweaking crates.io crate bytes_chain 1.1.8 [INFO] tweaked toml for crates.io crate bytes_chain 1.1.8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate bytes_chain 1.1.8 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] [stderr] Adding bytes v0.4.12 (available: v1.11.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded iovec v0.1.4 [INFO] [stderr] Downloaded bytes v0.4.12 [INFO] [stderr] Downloaded byteorder v1.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] abbee62c1c0030274fb996c1114162c2e1c64b04fcffd94f9efe4bc75274f434 [INFO] running `Command { std: "docker" "start" "-a" "abbee62c1c0030274fb996c1114162c2e1c64b04fcffd94f9efe4bc75274f434", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "abbee62c1c0030274fb996c1114162c2e1c64b04fcffd94f9efe4bc75274f434", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abbee62c1c0030274fb996c1114162c2e1c64b04fcffd94f9efe4bc75274f434", kill_on_drop: false }` [INFO] [stdout] abbee62c1c0030274fb996c1114162c2e1c64b04fcffd94f9efe4bc75274f434 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 83628ed24bdea77b21c3153e2865d77253836e939d64a4d8937a5a2b022b5612 [INFO] running `Command { std: "docker" "start" "-a" "83628ed24bdea77b21c3153e2865d77253836e939d64a4d8937a5a2b022b5612", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.183 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking bytes_chain v1.1.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/number.rs:77:16 [INFO] [stdout] | [INFO] [stdout] 77 | fn tf(buf: &NumberAble, i: usize) -> T [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 77 | fn tf(buf: &dyn NumberAble, i: usize) -> T [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/number.rs:77:16 [INFO] [stdout] | [INFO] [stdout] 77 | fn tf(buf: &NumberAble, i: usize) -> T [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 77 | fn tf(buf: &dyn NumberAble, i: usize) -> T [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.79s [INFO] running `Command { std: "docker" "inspect" "83628ed24bdea77b21c3153e2865d77253836e939d64a4d8937a5a2b022b5612", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83628ed24bdea77b21c3153e2865d77253836e939d64a4d8937a5a2b022b5612", kill_on_drop: false }` [INFO] [stdout] 83628ed24bdea77b21c3153e2865d77253836e939d64a4d8937a5a2b022b5612